Microsoft® Windows® 7 Enterprise, Ultimate, Professional, or Home Premium edition, or Microsoft® Windows® XP Professional or Home edition (SP3 or later)
For Windows 7: Intel® Pentium® 4 or AMD Athlon® dual-core processor, 3.0 GHz or Higher with SSE2 technology
For Windows XP: Intel Pentium 4 or AMD Athlon dual-core processor, 1.6 GHz or greater with SSE2 technology
2 GB RAM (4 GB recommended)
6 GB free disk space for installation
Video card 1,024 x 768 with true color (1,600 x 1,050 or higher recommended)
Microsoft® Internet Explorer® 7.0 (or later)
Microsoft Mouse-compliant pointing device
Download and installation from DVD
.NET Framework Version 4.0 Update 1
For 64-Bit AutoCAD MEP 2013
Microsoft® Windows® 7 Enterprise, Ultimate, Professional, or Home Premium edition, or Microsoft® Windows® XP Professional (SP2 or later)
Intel® Pentium® 4 with Intel® EM64T support and SSE2 technology, Intel® Xeon® with Intel EM64T support and SSE2, AMD Opteron® with SSE2 technology, or AMD Athlon® 64 with SSE2 technology
2 GB RAM (4 GB RAM recommended)
6 GB free disk space for installation
Video card 1,024 x 768 with true color (1,600 x 1,050 or higher recommended)
Microsoft® Internet Explorer® 7.0 (or later)
Microsoft Mouse-compliant pointing device
Download and Installation from DVD
.NET Framework Version 4.0 Update 1
Additional Requirements for 3D Modeling
Microsoft® Windows 7® recommended
Intel® Pentium® 4 processor or AMD Athlon®, 3.0 GHz or greater or Intel or AMD Dual Core processor, 2.0 GHz or greater
4 GB RAM or more
6 GB free hard disk available not including installation requirements
1,280 x 1,024 true color video display adapter 128 MB or greater, Pixel Shader 3.0 or greater, and Direct3D® capable workstation class graphics card.